Splunk ITSI (IT Service Intelligence) vs Zabbix comparison

Splunk ITSI (IT Service Int...

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Executive SummaryUpdated on Jul 24, 2024

Zabbix and Splunk ITSI compete in IT monitoring and analytics. Users tend to prefer Zabbix for its affordability and customer support, while Splunk ITSI stands out for its rich features and capabilities.

Features: Zabbix offers network discovery, auto-discovery of devices, and customizable templates, which are valuable for efficient network management. Splunk ITSI provides advanced analytics, predictive analytics, and integration with third-party tools, appreciated for proactive issue resolution.

Room For Improvement:Zabbix could improve scalability and introduce more intuitive configuration options to enhance user experience. Splunk ITSI could benefit from more cost-effective pricing models, simplified implementation processes, and reduced complexity.

Ease of Deployment and Customer Service:Zabbix is noted for its straightforward deployment process and excellent customer support, making it accessible for both small and large organizations. Splunk ITSI's deployment is seen as complex and time-consuming, requiring significant resources, although it is supported by strong customer service.

Pricing and ROI:Zabbix is favored for its open-source nature and low setup costs, providing good ROI for small to medium-sized enterprises. Splunk ITSI, with its higher initial setup costs and subscription fees, offers strong ROI in larger environments where its advanced features and predictive analytics are fully leveraged.

To learn more, read our detailed Splunk ITSI (IT Service Intelligence) vs. Zabbix Report (Updated: February 2026).

Splunk ITSI (IT Service Intelligence) vs. Zabbix

February 2026

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

ROI

Sentiment score

7.0

Splunk ITSI boosts efficiency and resilience by streamlining data integration, cutting costs, and improving performance issue resolution speed.

Sentiment score

6.9

Zabbix is praised for being cost-effective and scalable, minimizing downtime, and eliminating high licensing fees for enterprises.

Risks can mean that if one failure happens, it can result in risks in hundreds of thousands of USD.

SaketShrivastava

Technology And Digitization Lead at JLL

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No quotes available

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Customer Service

Sentiment score

6.3

Splunk ITSI customer service is generally responsive and supportive, though support quality can vary with reported delays for high-priority cases.

Sentiment score

6.8

Zabbix support is well-regarded, with strong community forums, responsive staff, and effective local partners aiding various user needs.

The technical support is excellent, and I would rate it at ten.

Senior consultant at a tech services company with 51-200 employees

We typically have weekly calls with the technical staff, and whenever we encounter issues, they usually reply with solutions within one or two days.

For more quotes and insights, download the Splunk ITSI (IT Service Intelligence) report

Senior Consultant at a consultancy with 10,001+ employees

It is so straightforward that I have never had to use the support.

For more quotes and insights, download the Zabbix report

CTO at Oic

Scalability Issues

Sentiment score

7.6

Splunk ITSI is highly scalable, supporting extensive data and users, with infrastructure and cloud platforms enhancing scalability and optimization.

Sentiment score

6.9

Zabbix offers scalable, flexible monitoring with cost efficiency, though complex scaling and database management may require improvements for large deployments.

Splunk is highly scalable, with the ability to expand efficiently.

Senior consultant at a tech services company with 51-200 employees

When we create Glass Tables containing many searches, the Glass Tables sometimes fail due to memory constraints, and we receive error pages.

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Senior Consultant at a consultancy with 10,001+ employees

Zabbix is very scalable and lightweight.

For more quotes and insights, download the Zabbix report

CTO at Oic

Zabbix has high scalability.

IgorKabish

CTO at Four Nine Agency

I would rate its scalability ten out of ten.

B Ahmed

Manager, Information Technology Zara & Inditex at Cenomi

Stability Issues

Sentiment score

7.7

Splunk ITSI is highly reliable, with minor issues from external factors, praised for its stability and consistent uptime.

Sentiment score

7.4

Zabbix is generally stable and reliable, requiring minimal resources, though occasional issues may arise from external factors.

The setup, however, must be done correctly as incorrect deployment can lead to issues.

Senior consultant at a tech services company with 51-200 employees

Splunk ITSI (IT Service Intelligence) fails if you do not have good hardware requirements.

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Senior Consultant at a consultancy with 10,001+ employees

Zabbix is very scalable and lightweight.

CTO at Oic

Zabbix is quite stable, and we haven't had any problems with Zabbix itself.

IgorKabish

CTO at Four Nine Agency

I think the stability of Zabbix is around five to six on a scale of ten, where ten is the best and one is the worst.

For more quotes and insights, download the Zabbix report

Network Engineer at a computer software company with 11-50 employees

Room For Improvement

Splunk ITSI faces issues with high cost, complex setup, integration challenges, and requires better usability, dashboards, and analytics features.

Zabbix needs user interface, reporting, and dashboard improvements, plus better configuration, automation, documentation, scalability, and advanced monitoring features.

I would appreciate additional features in the next release of Splunk ITSI (IT Service Intelligence) such as cloud infrastructure monitoring including CICDs, Kubernetes, and similar technologies.

Ahmed Naguib

Director at Techpace

On-cloud upgrades are easy, but on-premises upgrades are very painful.

SaketShrivastava

Technology And Digitization Lead at JLL

Splunk ITSI could benefit from including more features that other solutions support, such as vulnerability management modules.

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Senior consultant at a tech services company with 51-200 employees

The only issue I can note is that it's Linux-based, and Linux documentation is not the best.

CTO at Oic

The potential and customization is a little difficult because you have to learn scripts.

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Network Engineer at a computer software company with 11-50 employees

Setup Cost

Splunk ITSI's high cost tied to data volume limits appeal despite its robust service and comprehensive data handling.

Zabbix is praised for being a free, open-source solution with optional low-cost support, attracting enterprise users.

Splunk ITSI tends to be more expensive compared to some open-source solutions.

Senior consultant at a tech services company with 51-200 employees

I believe the pricing is based on daily volume ingestion.

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Senior Consultant at a consultancy with 10,001+ employees

Zabbix is providing everything free of cost.

Network Engineer at a computer software company with 11-50 employees

It is literally free.

For more quotes and insights, download the Zabbix report

CTO at Oic

Valuable Features

Splunk ITSI enhances IT management with real-time insights, integration, automation, observability, and powerful machine learning for effective service delivery.

Zabbix offers open-source flexibility, scalability, automated monitoring, diverse integrations, and adaptability for complex infrastructures with strong community support.

The predictive analysis can give you proactive information about potential bottlenecks that can occur on applications, desk, storage, SQL servers, databases, or other systems.

Ahmed Naguib

Director at Techpace

One valuable feature is the scheduled maintenance window provided by Splunk ITSI (IT Service Intelligence) because Splunk does not offer this scheduling maintenance feature in the core product, but Splunk ITSI (IT Service Intelligence) helps us with these maintenance reports.

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Senior Consultant at a consultancy with 10,001+ employees

The most beneficial aspect for me is that it is AI-enabled, providing us with very good analytics.

SaketShrivastava

Technology And Digitization Lead at JLL

If disk usage surpasses a threshold, say 70%, I receive alerts and can take proactive action.

For more quotes and insights, download the Zabbix report

CTO at Oic

Zabbix has a lot of features, including monitoring, status updates, and collecting information telemetry from storages and servers as well.

IgorKabish

CTO at Four Nine Agency

Zabbix is Linux-based open-source software, and the main use case is to reduce costs.

SaurabhYadav5

Network Engineer at Ogma Consulting

Categories and Ranking

Splunk ITSI (IT Service Int...

Ranking in Application Performance Monitoring (APM) and Observability

12th

Average Rating

8.2

Reviews Sentiment

6.8

Number of Reviews

Ranking in other categories

IT Alerting and Incident Management (3rd)

Zabbix

Ranking in Application Performance Monitoring (APM) and Observability

9th

Average Rating

8.4

Reviews Sentiment

7.0

Number of Reviews

108

Ranking in other categories

Network Monitoring Software (1st), Server Monitoring (1st), IT Infrastructure Monitoring (1st), Cloud Monitoring Software (1st)

Mindshare comparison

As of February 2026, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Splunk ITSI (IT Service Intelligence) is 0.8%, up from 0.7% compared to the previous year. The mindshare of Zabbix is 2.3%, down from 3.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Application Performance Monitoring (APM) and Observability Market Share Distribution
Product	Market Share (%)
Zabbix	2.3%
Splunk ITSI (IT Service Intelligence)	0.8%
Other	96.9%

Application Performance Monitoring (APM) and Observability

Featured Reviews

Service health has been monitored and visual insights support proactive telecom operations

Senior Consultant at a consultancy with 10,001+ employees

The installation process is the first aspect I dislike about Splunk ITSI (IT Service Intelligence). If you do not configure it correctly, you will encounter issues in the search head. Because we use a distributed environment where each component has its own specific roles, installation is critical and requires careful attention. Splunk ITSI (IT Service Intelligence) is built with many applications. It is a compressed file, and when you extract the Splunk ITSI (IT Service Intelligence) app, you receive approximately 19 apps. Some applications, add-ons, and packages must be installed on specific components. If you do not configure an application correctly, it will not work. Sometimes we encounter issues during installation because of this complexity. I believe the installation process should be more uniform, meaning it could be deployed across all components to avoid post-installation issues. Sometimes after installation, you receive errors, and users cannot access Splunk ITSI (IT Service Intelligence). We have experienced this type of issue due to installation errors. I believe there is currently room for improvement regarding scalability. When we create Glass Tables containing many searches, the Glass Tables sometimes fail due to memory constraints, and we receive error pages. Splunk ITSI (IT Service Intelligence) should have a lightweight version to address these concerns. I would rate current scalability as medium.

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Helps reduce response time but has room to improve customization complexity

Network Engineer at a computer software company with 11-50 employees

We are not working on simple standalone solutions like Kaspersky DDoS Protection or Hybrid Cloud Security. Once you understand Zabbix, then it is easy to customize those web pages and graphs for our customer use. It is fully automated to your requirements. Zabbix is working fine with no issues, and I am satisfied with it. We have combined Zabbix and SolarWinds. The integration works fine, and it is easy to integrate Zabbix with the IT environment. We were trying to purchase MDR (Managed Detection and Response), but we are not working on that. I don't have real experience with MDR. We are using Falcon software for that. We are working with Falcon Complete, not with Sandbox. We are not using Kaspersky for business or cloud protection. For that, we are using Zabbix CrowdStrike Falcon Complete solution. I have given this review an overall rating of 8.

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Comparison Review

it_user174738

IT Developer at a tech services company with 51-200 employees

May 31, 2015

Nagios vs. Zabbix vs. PRTG vs. Spiceworks vs. Solarwinds Network Performance Monitor

I have researched a quite a few network monitoring tools which can be used for various monitoring purposes of not only the servers, but the intermediate routers as well. There are majorly three types of these softwares. Ones which are completely open-source, you can do almost anything you want…

Read full review

Top Industries

By visitors reading reviews

Financial Services Firm

17%

Manufacturing Company

10%

Computer Software Company

Government

Computer Software Company

12%

Financial Services Firm

10%

Comms Service Provider

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	11
Midsize Enterprise	9
Large Enterprise	34

By reviewers
Company Size	Count
Small Business	56
Midsize Enterprise	23
Large Enterprise	34

Questions from the Community

What do you like most about Splunk ITSI (IT Service Intelligence)?

Our mean time to detect is down to five minutes.

What is your experience regarding pricing and costs for Splunk ITSI (IT Service Intelligence)?

Pricing can vary significantly based on the selected modules and deployment choices. Splunk ITSI tends to be more expensive compared to some open-source solutions.

What needs improvement with Splunk ITSI (IT Service Intelligence)?

Splunk ITSI (IT Service Intelligence) can be improved in terms of the service management function, which is the only drawback, and there are some limitations in terms of event correlation, specific...

What do you like most about Zabbix?

The template system in Zabbix is very beneficial as it saves time in configuration.

What is your experience regarding pricing and costs for Zabbix?

I think Zabbix is economical, whereas SolarWinds is expensive. SolarWinds has a lot of secure features, but Zabbix is providing everything free of cost. Zabbix is economical, and you can install it...

What needs improvement with Zabbix?

The potential and customization is a little difficult because you have to learn scripts. I think Zabbix needs to improve the customization better. At present, I am satisfied with the functionality ...

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Product Reports

Splunk ITSI (IT Service Intelligence)

January 2026

Splunk ITSI (IT Service Intelligence) report

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January 2026

Overview

Splunk IT Service Intelligence (ITSI) is a powerful analytics-driven monitoring and analytics solution that provides real-time insights into the health and performance of IT services.

It enables organizations to proactively identify and resolve issues, optimize service delivery, and improve overall IT operations. With its advanced machine learning capabilities, ITSI automatically detects anomalies, predicts future events, and prioritizes alerts based on business impact.

The solution offers a centralized view of IT services, allowing users to visualize and analyze data from multiple sources in a single dashboard. ITSI also provides customizable KPIs, service-level agreements (SLAs), and key performance indicators (KPIs) to measure and track service performance.

With its intuitive interface and powerful analytics capabilities, Splunk ITSI empowers IT teams to deliver reliable and efficient services, ensuring maximum uptime and customer satisfaction.

Splunk

Zabbix is an open-source monitoring software that provides real-time monitoring and alerting for servers, networks, applications, and services.

It offers a wide range of features including data collection, visualization, and reporting.

With its user-friendly interface and customizable dashboards, Zabbix helps organizations ensure the availability and performance of their IT infrastructure.

Sample Customers

TransUnion, Cox Automotive, Carnival Cruises, Leidos, Econocom, National Ignition Factory, Entrust Datacard, Molina Healthcare, United States Census Bureau

1. IBM 2. Dell 3. Cisco 4. HP 5. Oracle 6. Microsoft 7. Amazon 8. Google 9. Facebook 10. Twitter 11. LinkedIn 12. Netflix 13. Adobe 14. VMware 15. Salesforce 16. SAP 17. Intel 18. AT&T 19. Verizon 20. T-Mobile 21. Vodafone 22. Ericsson 23. Nokia 24. Siemens 25. General Electric 26. Honeywell 27. Philips 28. Sony 29. Samsung 30. LG 31. Panasonic 32. Toshiba